CN216088797U - Tobacco pure-shred moisture detection control system - Google Patents
Tobacco pure-shred moisture detection control system Download PDFInfo
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- CN216088797U CN216088797U CN202122378831.0U CN202122378831U CN216088797U CN 216088797 U CN216088797 U CN 216088797U CN 202122378831 U CN202122378831 U CN 202122378831U CN 216088797 U CN216088797 U CN 216088797U
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Abstract
The utility model discloses a tobacco pure-tobacco-shred moisture detection control system which comprises a first pure-tobacco-shred moisture detection moisture meter, a second pure-tobacco-shred moisture detection moisture meter and a third pure-tobacco-shred moisture detection moisture meter. The first pure silk moisture detection moisture meter is arranged in front of the expansion unit, the second pure silk moisture detection moisture meter is arranged behind the cut tobacco dryer, and the third pure silk moisture detection moisture meter is arranged behind the flexible winnowing machine for the cut tobacco. First pure silk moisture detection moisture meter, second pure silk moisture detection moisture meter and third pure silk moisture detection moisture meter all link to each other with upper computer system through fiber optic switch. The detection control system can accurately detect the actual moisture value when the dried pure silk enters the blending ring, and correct the moisture set value of the pure silk at the outlet of the silk dryer in real time according to the actual moisture value of the pure silk, so as to improve the accuracy of the detection control of the moisture of the dried pure silk before entering the blending ring, ensure the qualification rate of the moisture of the pure silk entering the blending process and improve the internal quality of cigarettes.
Description
Technical Field
The utility model belongs to the field of tobacco shred production in the tobacco industry, and relates to a tobacco pure shred moisture detection control system.
Background
In the tobacco industry cut tobacco production process, the moisture qualification rate of the dried pure cut tobacco after cut tobacco is dried and before the cut tobacco enters the blending process is an important index for process quality assessment, and the moisture qualification rate of the dried pure cut tobacco often influences the qualification rate of the moisture of the mixed cut tobacco after subsequent flavoring, so that the internal quality of cigarettes is influenced. In the process from cut tobacco drying to blending process, pure tobacco moisture in each link is lost to a certain extent, and particularly when the cut tobacco passes through a flexible cut tobacco winnowing machine, the moisture loss of the cut tobacco is also influenced by factors such as negative pressure air quantity and the like, and the loss is the most serious. If the moisture of the pure silk at the outlet of the silk dryer is taken as the final result of the detection and control of the moisture of the dried pure silk, and the comprehensive influence of each link on the moisture of the pure silk before entering the blending process is not considered, the qualification rate of the moisture of the pure silk before entering the blending process is low, the qualification rate of the moisture of the blended silk after being flavored is also low, and the inherent quality of cigarettes is influenced finally.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model aims to provide a tobacco pure-cut-tobacco moisture detection control system, which can accurately detect an actual moisture value when dried pure cut tobacco enters a blending link, and correct a pure-cut-tobacco moisture set value at an outlet of a cut-tobacco dryer in real time according to the actual moisture value of the pure cut tobacco, so as to improve the accuracy of pure-cut-tobacco moisture detection control before the pure cut tobacco enters the blending link, ensure the qualification rate of pure-cut-tobacco moisture entering a blending process, reduce the influence of the dried pure-cut-tobacco moisture on the moisture of blended cut tobacco after flavoring, and improve the internal quality of cigarettes.
In order to achieve the purpose, the technical scheme of the utility model is as follows: the utility model provides a pure silk moisture detection control system of tobacco, includes first pure silk moisture detection moisture meter and the pure silk moisture detection moisture meter of second, still includes the pure silk moisture detection moisture meter of third. The first pure silk moisture detection moisture meter is arranged in front of the expansion unit, the second pure silk moisture detection moisture meter is arranged behind the cut tobacco dryer, and the third pure silk moisture detection moisture meter is arranged behind the flexible winnowing machine for the cut tobacco. The first pure-tobacco moisture detecting and moisture detecting instrument is used for detecting the moisture value of the pure tobacco before the pure tobacco enters the expansion unit, the second pure-tobacco moisture detecting and moisture detecting instrument is used for detecting the moisture value of the pure tobacco output from the tobacco dryer, and the third pure-tobacco moisture detecting and moisture detecting instrument is used for detecting the moisture value of the pure tobacco output from the leaf-shred flexible fan. First pure silk moisture detection moisture meter, second pure silk moisture detection moisture meter and third pure silk moisture detection moisture meter all link to each other with upper computer system through fiber switch, and upper computer system is used for data acquisition.
Preferably, the third pure tobacco moisture detecting moisture meter is arranged in front of the blending device and used for accurately detecting the moisture value of the pure tobacco before entering the blending device.
Preferably, the optical fiber switch, the first communication module, the first central processing unit and the switch are connected in sequence through a Profinet network cable. The optical fiber exchanger, the first communication module, the first central processing unit and the exchanger are used for carrying out double closed loop PID control on the moisture of the pure tobacco shreds at the outlet of the tobacco dryer.
Preferably, the switch is provided with a first PN interface of the switch, a second PN interface of the switch and a third PN interface of the switch.
Preferably, the PN interface of the first central processing unit is connected to the first PN interface of the switch via a Profinet cable, the PN interface of the first pure-silk moisture detecting moisture meter is connected to the second PN interface of the switch via a Profinet cable, and the PN interface of the second pure-silk moisture detecting moisture meter is connected to the third PN interface of the switch via a Profinet cable.
Preferably, the model of the first communication module is CP343-1, the first central processing unit adopts a CPU317-2PN/DP module, the switch adopts a siemens X208 switch, and the models of the first pure silk moisture detecting moisture meter, the second pure silk moisture detecting moisture meter and the third pure silk moisture detecting moisture meter are TM710 e.
Preferably, the fiber switch, the second communication module and the second central processing unit are connected in sequence through a Profinet network line. The second central processing unit is used for controlling the whole wire drying section, receiving the process control data from the first central processing unit and downloading control parameters and signals to the first central processing unit.
Preferably, the second communication module is provided with a first PN interface, a second PN interface and a third PN interface.
Preferably, a PN interface of the third pure tobacco moisture detection moisture meter is connected with the first PN interface through a Profinet network cable, a PN interface of the industrial personal computer is connected with the second PN interface through the Profinet network cable, the optical fiber switch is connected with the third PN interface through the Profinet network cable, and the industrial personal computer is used for displaying the real-time value of the moisture of the pure tobacco before entering the blending link and setting the set value of the moisture of the pure tobacco at the outlet of the tobacco dryer.
Preferably, the model of the second communication module is CP443-1, the second central processing unit adopts a CPU414 module, and the industrial personal computer adopts SIMATIC HMI IPC 677C.
The system for detecting and controlling the moisture of the pure tobacco shreds can timely and effectively correct the set value of the moisture of the pure tobacco shreds at the outlet of the shred dryer according to the real-time value of the moisture of the pure tobacco shreds after the pure tobacco shreds are dried before entering the blending link, effectively improve the qualification rate of the moisture of the pure tobacco shreds after the pure tobacco shreds are dried before entering the blending link, ensure that the moisture of the mixed tobacco shreds after being flavored is stabilized in the range of the process quality requirement, make up the defect that the qualification rate of the moisture of the pure tobacco shreds before entering the blending process is low due to the fact that the moisture of the pure tobacco shreds at the outlet of the shred dryer is taken as the final result of the moisture detection and control of the pure tobacco shreds after being dried in the production process of the tobacco industry, do not consider the comprehensive influence of each link on the moisture of the pure tobacco shreds before entering the blending process, and can be popularized and applied to other similar devices.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a tobacco-drying section apparatus.
Description of the main element symbols:
11 first CPU 12 first communication module
13 first pure silk moisture detection moisture meter of switch 14
15 second pure silk moisture detection moisture meter
21 second CPU 22 second communication module
23 third pure silk moisture detection moisture meter 24 industrial personal computer
3 optical fiber switch
4 upper computer system
51 electronic scale 52 expansion unit
53 cut-tobacco drier 54 forward and reverse rotating belt conveyor I
55 belt conveyor II 56 vibrating conveyor
57 flexible winnowing machine 58 belt conveyor III for cut tobacco
59 belt conveyor IV
Detailed Description
The technical solution of the embodiment of the tobacco pure-tobacco moisture detection control system provided by the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the present invention provides a tobacco pure-cut moisture detection control system, which includes a first pure-cut moisture detection moisture meter 14, a second pure-cut moisture detection moisture meter 15, and a third pure-cut moisture detection moisture meter 23. The first pure silk moisture detecting moisture meter 14 is arranged in front of the expansion unit 52, the second pure silk moisture detecting moisture meter 15 is arranged behind the cut tobacco dryer 53, and the third pure silk moisture detecting moisture meter 23 is arranged behind the leaf silk flexible winnowing machine 57. First pure silk moisture detection moisture meter 14, second pure silk moisture detection moisture meter 15 and third pure silk moisture detection moisture meter 23 all link to each other with upper computer system 4 through fiber-optic switch 3.
The first pure tobacco moisture detecting moisture meter 14 is installed above the electronic scale 51 in front of the inlet of the expansion unit 52 and is used for detecting the moisture value of the pure tobacco before entering the expansion unit 52. The second pure tobacco moisture detecting moisture meter 15 is installed above the belt conveyor ii 55 at the outlet of the cut tobacco dryer 52, and is used for detecting the moisture value of the pure tobacco output from the cut tobacco dryer. The third pure silk moisture detecting moisture meter 23 is installed behind the leaf silk flexible winnowing machine 57 and in front of the blending device, and is used for accurately detecting the moisture value of the pure tobacco silk output from the leaf silk flexible blower 57 before entering the blending device.
The optical fiber switch 3, the first communication module 12, the first central processing unit 11, and the switch 13 are connected in sequence via Profinet cables, and the first central processing unit 11 and the first communication module 12 are assembled on the rack. The optical fiber switch 3 is provided with a first PN interface of the optical fiber switch and a second PN interface of the optical fiber switch, and the switch 13 is provided with a first PN interface of the switch, a second PN interface of the switch and a third PN interface of the switch. The first PN interface of the optical fiber switch is connected with the PN interface of the first communication module 12 through a Profinet network cable, the PN interface of the first communication module 12 is connected with the PN interface of the first central processing unit 11 through the Profinet network cable, the PN interface of the first central processing unit 11 is connected with the first PN interface of the switch through the Profinet network cable, the PN interface of the first pure silk moisture detection moisture meter 14 is connected with the second PN interface of the switch through Profinet, and the PN interface of the second pure silk moisture detection moisture meter 15 is connected with the third PN interface of the switch through Profinet.
The model of the first communication module 12 is CP343-1, the first CPU 11 adopts a CPU317-2PN/DP module, the switch 13 adopts a Siemens X208 switch, and the models of the first pure silk moisture detecting moisture meter 14 and the second pure silk moisture detecting moisture meter 15 are TM710 e.
The optical fiber switch 3, the second communication module 22 and the second central processing unit 21 are connected in sequence through a Profinet network cable, and the second communication module 22 is provided with a first PN interface, a second PN interface and a third PN interface. The second PN interface of the optical fiber switch is connected with the third PN interface through a Profinet network cable, the second PN interface is connected with the PN interface of the industrial personal computer 24 through the Profinet network cable, the first PN interface is connected with the PN interface of the third pure silk moisture detection moisture meter 23 through the Profinet network cable, and the PN interface of the second communication module 22 is connected with the PN interface of the second central processing unit 21 through the Profinet network cable.
The model of the second communication module 22 is CP443-1, the second central processing unit 21 adopts a CPU414 module, the industrial personal computer 24 adopts SIMATIC HMI IPC677C, and the model of the third pure silk moisture detector 23 is TM710 e.
The upper computer system 4 is composed of an execution system and a data acquisition and monitoring control system and is used for acquiring data. The execution system adopts an MES system, and the data acquisition and monitoring control system adopts an SCADA system. The upper computer system 4 is connected with the optical fiber switch 3.
When the system for detecting and controlling the moisture of the pure tobacco shreds is adopted, firstly, hardware is installed according to requirements, a first central processing unit 11, a first communication module 12, a switch 13, a first pure tobacco moisture detecting and moisture measuring instrument 14 and a second pure tobacco moisture detecting and moisture measuring instrument 15 are installed, and a Profinet network cable is connected. A third pure silk moisture detecting moisture meter 23 is installed above the tail of the belt conveyor iv 59 shown in fig. 1 and connected to the first PN interface of the second communication module 22 by a Profinet cable. And writing a moisture control program of the cut tobacco at the outlet of the cut tobacco dryer by using Step7, downloading the programmed program into the first central processing unit 11 and debugging the program, writing a program of the second central processing unit 21 of the cut tobacco drying section by using Step7, and downloading and debugging the program. And compiling an industrial personal computer 24 monitoring interface by using WINCC7.0, establishing a corresponding I/O domain and establishing data connection. After the hardware and the software are installed and debugged, the device can be put into normal use after being electrified.
As shown in fig. 1 and fig. 2, when the pure tobacco shred moisture detection control system provided by the utility model is adopted, the working process and principle are as follows:
the raw silk after the shredding process enters an expansion unit 52 for heating and humidifying treatment, and a first pure silk moisture detector 14 is arranged above an electronic scale 51 in front of an inlet of the expansion unit 52 and used for detecting moisture of the raw silk entering the expansion unit 52 after the shredding. The raw cut tobacco after the temperature increase and humidification treatment by the expansion unit 52 enters a cut tobacco drying machine 53 for cut tobacco drying treatment. The first central processing unit 11 is used for performing double closed loop PID control on the moisture of the pure silk at the outlet of the silk dryer 53, the first central processing unit 11 calculates the process gas flow required by the set moisture of the dried pure silk according to the tobacco moisture detected by the first pure silk moisture detecting moisture meter 14 at the inlet of the expansion unit 52 and the humidification condition of the expansion unit 52 on the tobacco, and performs PID control on the process gas flow, and the process gas flow is used as an inner ring of the PID control to perform predictive control on the moisture of the pure silk at the outlet of the silk dryer 53. The second pure silk moisture detecting moisture meter 15 is arranged above the belt conveyor II 55 at the outlet of the silk dryer 53 and is used for detecting the moisture of the pure silk at the outlet of the silk dryer 53. The first central processing unit 11 corrects the process gas flow again according to the deviation between the actual value and the set value of the pure silk moisture detected by the second pure silk moisture detecting moisture meter 15, and performs PID control on the moisture of the pure silk at the outlet of the silk dryer 53, so as to form a double closed loop PID estimation correction system for the pure silk moisture at the outlet of the silk dryer 53.
After being dried, the pure silk enters a blending process after passing through links such as a belt conveyor II 55, a vibrating conveyor 56, a flexible leaf silk winnowing machine 57, a belt conveyor III 58 and a belt conveyor IV 59. And the third pure silk moisture detection moisture meter 23 is arranged above the belt conveyor IV 59 before entering the blending link and is used for detecting the real-time moisture value of the pure silk after being dried before entering the blending link. The second cpu 21 is used for overall control of the oven section, receives process control data from the first cpu 11 and downloads control parameters and signals to the first cpu 11. The industrial personal computer 24 is used for monitoring the whole production process, displaying the real-time value of the moisture of the pure silk after being dried before entering the blending link at present, setting the set value of the moisture of the pure silk at the outlet of the silk dryer 53, displaying the moisture of the raw silk at the inlet of the expansion unit 52, displaying the real-time value of the moisture of the pure silk after being dried before entering the blending link, and the like.
In the production process, an operator estimates the moisture of the pure silk at the outlet of the silk dryer 53 according to the real-time value of the moisture of the pure silk after being dried before entering the blending link and according to the requirement of the process on the moisture of the pure silk after being dried before entering the blending link, and the moisture of the pure silk at the outlet of the silk dryer 53 is controlled by properly increasing or decreasing the set value of the moisture of the pure silk at the outlet of the silk dryer 53 on the industrial personal computer 54, so that the moisture of the pure silk after being dried before entering the blending link is ensured to be kept within the range of the process requirement. Therefore, in the production process, the real-time value of the moisture of the pure silk at the outlet of the cut tobacco dryer 53 is estimated and adjusted in real time according to the actual moisture condition of the pure silk after being dried before entering the blending link, which is detected by the third pure silk moisture detecting moisture meter 23, so as to ensure that the moisture of the pure silk after being dried before entering the blending link is within the range specified by the process standard. Therefore, the method fundamentally solves the problems that the qualified rate of the pure silk moisture before entering the blending process is low and the qualified rate of the mixed silk moisture after perfuming is low due to the fact that the comprehensive influence of each link on the pure silk moisture before entering the blending process is not considered in the tobacco industry tobacco shred manufacturing production process, and the defect that the qualified rate of the mixed silk moisture after perfuming is low is further caused, so that the set value of the pure silk moisture at the outlet of the tobacco shred dryer 53 can be corrected in real time according to the actual value of the pure silk moisture after drying when entering the blending process, the qualified rate of the pure silk moisture after entering the blending process is ensured, the influence of the pure silk moisture after drying on the mixed silk moisture after perfuming is reduced, and the inherent quality of cigarettes is improved.
It should be noted that: the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A tobacco pure-tobacco moisture detection control system comprises a first pure-tobacco moisture detection moisture meter and a second pure-tobacco moisture detection moisture meter, and is characterized by further comprising a third pure-tobacco moisture detection moisture meter,
the first pure silk moisture detecting moisture meter is arranged in front of the expansion unit, the second pure silk moisture detecting moisture meter is arranged behind the silk drying machine, the third pure silk moisture detecting moisture meter is arranged behind the flexible leaf silk winnowing machine,
the first pure silk moisture detection moisture meter, the second pure silk moisture detection moisture meter and the third pure silk moisture detection moisture meter are all connected with an upper computer system through an optical fiber switch.
2. The tobacco pure-tobacco moisture detection control system according to claim 1, wherein the third pure-tobacco moisture detector is disposed before the blending device.
3. The pure tobacco moisture detection control system according to claim 1, wherein the optical fiber switch, the first communication module, the first central processing unit and the switch are connected in sequence by a Profinet network cable.
4. The tobacco pure-tobacco moisture detection control system according to claim 3, wherein the switch is provided with a first PN interface of the switch, a second PN interface of the switch and a third PN interface of the switch.
5. The pure tobacco moisture detection control system according to claim 4 wherein the PN interface of the first CPU is connected to the first PN interface of the switch via a Profinet network cable, the PN interface of the first pure tobacco moisture detection moisture meter is connected to the second PN interface of the switch via a Profinet network cable, and the PN interface of the second pure tobacco moisture detection moisture meter is connected to the third PN interface of the switch via a Profinet network cable.
6. The tobacco pure-tobacco moisture detection control system according to claim 3, wherein the first communication module is of a type CP343-1, the first CPU employs a CPU317-2PN/DP module, the switch employs a siemens X208 switch, and the first pure-tobacco moisture detector, the second pure-tobacco moisture detector, and the third pure-tobacco moisture detector are of a type TM710 e.
7. The pure tobacco shred moisture detection control system according to claim 1, wherein the optical fiber switch, the second communication module and the second central processing unit are connected in sequence through a Profinet network cable.
8. The tobacco pure-tobacco moisture detection control system according to claim 7, wherein the second communication module is provided with a first PN interface, a second PN interface and a third PN interface.
9. The pure tobacco shred moisture detection control system according to claim 8, wherein a PN interface of the third pure tobacco shred moisture detection moisture meter is connected with the first PN interface through a Profinet cable, a PN interface of an industrial personal computer is connected with the second PN interface through a Profinet cable, and the optical fiber switch is connected with the third PN interface through the Profinet cable.
10. The tobacco pure-tobacco moisture detection control system according to claim 9, wherein the second communication module is of a type CP443-1, the second CPU employs a CPU414 module, and the industrial personal computer employs SIMATIC HMI IPC 677C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122378831.0U CN216088797U (en) | 2021-09-29 | 2021-09-29 | Tobacco pure-shred moisture detection control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122378831.0U CN216088797U (en) | 2021-09-29 | 2021-09-29 | Tobacco pure-shred moisture detection control system |
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| CN216088797U true CN216088797U (en) | 2022-03-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114847505A (en) * | 2022-05-25 | 2022-08-05 | 湖北中烟工业有限责任公司 | Homogenizing processing method and device for tobacco shred preparation |
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- 2021-09-29 CN CN202122378831.0U patent/CN216088797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114847505A (en) * | 2022-05-25 | 2022-08-05 | 湖北中烟工业有限责任公司 | Homogenizing processing method and device for tobacco shred preparation |
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